<script setup>
import { User, Lock } from '@element-plus/icons-vue'
import {userLogService, userRegisterService} from "@/api/login.js"
import { ref } from 'vue'
import { ElMessage } from 'element-plus'
import { useRouter } from 'vue-router'
import { useTokenStore } from '@/stores/token.js'
const tokenStore =useTokenStore();
const router = useRouter();
//控制注册与登录表单的显示， 默认显示注册
const isRegister = ref(false)
const formRef = ref(null)
//用户信息参数
const registerData = ref({
  userName:"",
  password:"",
  rePassword:""
})


//注册按钮事件
const regiter = async ()=>{
  formRef.value.validate(async (valid) => {
    if (!valid) {
      console.log('验证不通过')
      return false
    }
    let result = await userRegisterService(registerData.value);
    ElMessage({
      message: result.message,
      type: 'success',
    })
  })

}

const log = async ()=>{
  //formRef.value.validate用来做表单校验
  formRef.value.validate(async (valid) => {
    //判断表单校验是否通过
    if (!valid) {
      console.log('验证不通过')
      return false
    }
    //调用登录接口
    let result= await userLogService(registerData.value);
    ElMessage({
      message: result.message,
      type: 'success',
    })
    tokenStore.setToken(result.data);
    router.push('/admin');
  })

}

//自定义确认密码的校验函数
const rePasswordValid = (rule, value, callback) => {
  if (value == null || value === '') {
    return callback(new Error('请再次确认密码'))
  }
  if (registerData.value.password !== value) {
    return callback(new Error('两次输入密码不一致'))
  }
  return  callback()
}

//表单校验
const rules={
  userName:[
      { required: true, message: '请输入用户名', trigger: 'blur' },
      { min: 5, max: 16, message: '用户名必须5到16位之间非空字符', trigger: 'blur' },
  ],
  password:[
    { required: true, message: '请输入密码', trigger: 'blur' },
    { min: 5, max: 16, message: '密码必须5到16位之间非空字符', trigger: 'blur' },
  ],
  rePassword:[
    // { required: true, message: '请输入用户名', trigger: 'blur' },
    // { min: 5, max: 16, message: '用户名必须5到16位之间', trigger: 'blur' },
    {validator:rePasswordValid,trigger:'blur'}
  ]
}

//重置用户信息参数

const clearRegisterData = () => {
  registerData.value={
    userName:"",
    password:"",
    rePassword:""
  }
}

</script>

<template>
  <el-row class="login-page">
    <el-col :span="12" class="bg"></el-col>
    <el-col :span="6" :offset="3" class="form">
      <!-- 注册表单 -->
      <el-form ref="formRef" size="large" autocomplete="off" v-if="isRegister" :model="registerData" :rules="rules">
        <el-form-item>
          <h1>注册</h1>
        </el-form-item>
        <el-form-item prop="userName">
          <el-input :prefix-icon="User" placeholder="请输入用户名" v-model="registerData.userName"></el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input :prefix-icon="Lock" type="password" placeholder="请输入密码" v-model="registerData.password"></el-input>
        </el-form-item>
        <el-form-item prop="rePassword">
          <el-input :prefix-icon="Lock" type="password" placeholder="请输入再次密码" v-model="registerData.rePassword"></el-input>
        </el-form-item>
        <!-- 注册按钮 -->
        <el-form-item>
          <el-button class="button" type="primary" auto-insert-space @click="regiter">
            注册
          </el-button>
        </el-form-item>
        <el-form-item class="flex">
          <el-link type="info" :underline="false" @click="isRegister = false;clearRegisterData()">
            ← 返回
          </el-link>
        </el-form-item>
      </el-form>
      <!-- 登录表单 -->
      <el-form ref="formRef" size="large" autocomplete="off" v-else :model="registerData" :rules="rules" >
        <el-form-item>
          <h1>登录</h1>
        </el-form-item>
        <el-form-item prop="userName">
          <el-input :prefix-icon="User" placeholder="请输入用户名" v-model="registerData.userName"></el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input name="password" :prefix-icon="Lock" type="password" placeholder="请输入密码" v-model="registerData.password"></el-input>
        </el-form-item>
        <el-form-item class="flex">
<!--          <div class="flex">-->
<!--            <el-checkbox>记住我</el-checkbox>-->
<!--            <el-link type="primary" :underline="false">忘记密码？</el-link>-->
<!--          </div>-->
        </el-form-item>
        <!-- 登录按钮 -->
        <el-form-item>
          <el-button class="button" type="primary" auto-insert-space @click="log">登录</el-button>
        </el-form-item>
        <el-form-item class="flex">
          <el-link type="info" :underline="false" @click="isRegister = true;clearRegisterData()">
            注册 →
          </el-link>
        </el-form-item>
      </el-form>
    </el-col>
  </el-row>
</template>

<style lang="scss" scoped>
/* 样式 */
.login-page {
  height: 100vh;
  background-color: #fff;

  .bg {
    background: url('@/assets/logo2.png') no-repeat 60% center / 240px auto,
    url('@/assets/login_bg.jpg') no-repeat center / cover;
    border-radius: 0 20px 20px 0;
  }

  .form {
    display: flex;
    flex-direction: column;
    justify-content: center;
    user-select: none;

    .title {
      margin: 0 auto;
    }

    .button {
      width: 100%;
    }

    .flex {
      width: 100%;
      display: flex;
      justify-content: space-between;
    }
  }
}
</style>